IBM x3800 User Guide - Page 51
Installing, DIMMs
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UPC - 000435948984
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a. Touch the static-protective package that contains the memory card to any unpainted surface on the outside of the server; then, remove the memory card from the package. b. Place the memory card on a flat, static-protected surface with the DIMM connectors facing up. c. Install DIMMs in the memory card (see "Installing DIMMs"). 4. Remove the existing memory card from the server. Attention: When moving the memory card, do not allow it to touch any components or structures inside the server. a. Make sure that the retention levers on the edge of the memory card are fully open. b. Lift the memory card out of the server. 5. Install the new memory card: a. Grasp the new memory card by the retention levers and turn the memory card so that the connector aligns with the connector on the microprocessor board. b. Insert the memory card into the memory card connector. c. Press the memory card into the connector and close the small retention lever. d. Wait two seconds and close the large retention lever. If you have other options to install or remove, do so now; otherwise, go to "Completing the installation" on page 49. Installing DIMMs DIMMs must be installed in pairs of the same type and speed. For you to use the memory mirroring feature, all the DIMMs that are installed in the server must be of the same type and speed, and the operating system must support the feature. The following instructions are for installing one pair of DIMMs. To install DIMM pairs on more than one memory card, repeat step 4 on page 40 though step 12 on page 41 for each memory card. Installing a DIMM To install a DIMM, complete the following steps: 1. Read the safety information that begins on page v and "Installation guidelines" on page 21. 2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device. 3. Remove the front cover (tower model only), and the top cover (see "Removing the front cover, top cover, and bezel" on page 23). Chapter 2. Installing options 39
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